<?php
	include_once('promotion.php');

    class Promotion_DAO extends DAO {

		//Constructor:
        function __construct($bd_name){
			parent::__construct($bd_name);
        }

		//Methods:

        //Create a new Session.
		public function createPromotion($id, $tittle, $description, $code, $active, $img){
			$sql = sprintf( "INSERT INTO `promotion`( `id`, `tittle`, `description`, `code`, `active`, `img`) 
								VALUES ( '%d', '%s', '%s', '%s', '%s', '%s')", 
									$id, $tittle, $description, $code, $active, $img);
			
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');
			return $resul;
		}
		
		
	    //Returns a query to get All the promotion.
		public function allPromotionData(){
			$sql = sprintf( "SELECT * FROM promotion ");
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			while($fila=$resul->fetch_assoc()){
				$promotions[] = $this->loadPromotion($fila["id"], $fila["tittle"], $fila["description"], $fila["code"], $fila["active"], $fila["img"]);
			}
			$resul->free();
			return $promotions;
		}

		//Returns a  promotion data  by code.
		public function GetPromotion($code){
			$sql = sprintf( "SELECT * FROM promotion WHERE promotion.code = '%s'", $code );
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');
			return $resul;
		}

		//Returns a  promotion data  by id.
		public function promotionData($id){
			$sql = sprintf( "SELECT * FROM promotion WHERE promotion.id = '%d'", $id);
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');
			return $resul;
		}

		//Deleted promotion by "id".
		public function deletePromotion($id){
			$sql = sprintf( "DELETE FROM promotion WHERE promotion.id = '%d' ;",$id);

			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}
		
		//Edit a promotion with new img.
		public function editPromotion($id, $tittle, $description, $code, $active, $img){
			$sql = sprintf( "UPDATE promotion SET tittle = '%s' , description = '%s', code ='%s' , active ='%s', img = '%s'
								WHERE promotion.id = '%d';", 
									 $tittle, $description, $code, $active, $img, $id);

			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}

		//Edit a promotion without new img.
		public function editPromotionNoImg($id, $tittle, $description, $code, $active){
			$sql = sprintf( "UPDATE promotion SET tittle = '%s' , description = '%s', code ='%s' , active ='%s'
								WHERE promotion.id = '%d';", 
									 $tittle, $description, $code, $active, $id);

			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}

		//Returns a  promotion data as object.
		public function GetPromotionObj($code){
			$sql = sprintf( "SELECT * FROM promotion WHERE promotion.code = '%s'", $code );
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			$promo = null;
			while($fila = $resul->fetch_assoc()){
				$promo = $this->loadPromotion($fila["id"], $fila["tittle"], $fila["description"], $fila["code"], $fila["active"], $fila["img"]);
			}
			$resul->free();

			return $promo;
		}
	    
		//Create a new film Data Transfer Object.
		public function loadPromotion($id, $tittle, $description, $code, $active, $img){
			return new Promotion($id, $tittle, $description, $code, $active, $img);
		}
	    	
    }

?>